Add pre/post root reset end platform functions and make them call
sun4i_usb_phy_set_squelch_detect() to work around the sunxi usb otg phy
workaround.
Signed-off-by: Hans de Goede <hdego...@redhat.com>
---
drivers/usb/musb/sunxi.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c
index ef91548..774312f 100644
--- a/drivers/usb/musb/sunxi.c
+++ b/drivers/usb/musb/sunxi.c
@@ -24,6 +24,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/phy/phy-sun4i-usb.h>
#include <linux/platform_device.h>
#include <linux/soc/sunxi/sunxi_sram.h>
#include <linux/usb/musb.h>
@@ -147,6 +148,20 @@ static void sunxi_musb_set_vbus(struct musb *musb, int
is_on)
schedule_work(&glue->work);
}
+void sunxi_musb_pre_root_reset_end(struct musb *musb)
+{
+ struct sunxi_glue *glue = dev_get_drvdata(musb->controller->parent);
+
+ sun4i_usb_phy_set_squelch_detect(glue->phy, false);
+}
+
+void sunxi_musb_post_root_reset_end(struct musb *musb)
+{
+ struct sunxi_glue *glue = dev_get_drvdata(musb->controller->parent);
+
+ sun4i_usb_phy_set_squelch_detect(glue->phy, true);
+}
+
static irqreturn_t sunxi_musb_interrupt(int irq, void *__hci)
{
struct musb *musb = __hci;
@@ -515,6 +530,8 @@ static const struct musb_platform_ops sunxi_musb_ops = {
.readw = sunxi_musb_readw,
.writew = sunxi_musb_writew,
.set_vbus = sunxi_musb_set_vbus,
+ .pre_root_reset_end = sunxi_musb_pre_root_reset_end,
+ .post_root_reset_end = sunxi_musb_post_root_reset_end,
};
/* Allwinner OTG supports up to 5 endpoints */
--
2.3.4
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